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The patent EP4058652 was granted to FMC Kongsberg Subsea on Oct 4, 2023. The application was filed on Nov 13, 2020 under application number EP20807374A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| EQUINOR ENERGY | Jul 3, 2024 | DEHNS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4036295 |
| INTERNATIONAL-SEARCH-REPORT | NO20180011 |
| INTERNATIONAL-SEARCH-REPORT | US2010101799 |
| INTERNATIONAL-SEARCH-REPORT | US2010200241 |
| INTERNATIONAL-SEARCH-REPORT | US2018306007 |
| INTERNATIONAL-SEARCH-REPORT | US3934658 |
| INTERNATIONAL-SEARCH-REPORT | US4820083 |
| INTERNATIONAL-SEARCH-REPORT | WO2018117861 |
| OPPOSITION | GB2171736 |
| OPPOSITION | GB2230312 |
| OPPOSITION | US4438817 |
| OPPOSITION | US4625805 |
| OPPOSITION | US4629003 |
| OPPOSITION | WO2019125174 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Description
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Decision to grant a European patent
Search/Exam
Aug 23, 2023
(Electronic) Receipt
Search/Exam
Aug 23, 2023
Filing of the translations of the claims
Search/Exam
Aug 23, 2023
French translation of claims
Search/Exam
Aug 23, 2023
German translation of the claims
Search/Exam
Aug 23, 2023
Letter accompanying subsequently filed items
Search/Exam
May 4, 2023
May 4, 2023
May 4, 2023
May 4, 2023
Intention to grant (signatures)
Search/Exam
May 4, 2023
Text intended for grant (clean copy)
Search/Exam
May 4, 2023
Mar 23, 2023
Examination started
Search/Exam
Feb 24, 2023
(Electronic) Receipt
Search/Exam
Feb 24, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2023
Feb 8, 2023
Dec 21, 2022
(Electronic) Receipt
Search/Exam
Dec 21, 2022
Dec 21, 2022
Amended description with annotations
Search/Exam
Dec 21, 2022
Amendments received before examination
Search/Exam
Dec 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2022
Jun 22, 2022
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(Electronic) Receipt
Search/Exam
May 24, 2022
Claims
Search/Exam
May 24, 2022
Priority search results
Search/Exam
May 24, 2022
Request for entry into the European phase
Search/Exam
May 23, 2022
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Mar 25, 2022
Information on entry into European phase
Search/Exam
Nov 5, 2021
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Oct 7, 2021
Notification of election of EPO
Search/Exam
Sep 17, 2021
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PCT demand form
PCT2
Sep 13, 2021
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May 20, 2021
Copy of the international search report
Search/Exam
May 20, 2021
Published international application - A1
Search/Exam
Nov 27, 2020
(Electronic) Receipt
PCTRO
Nov 27, 2020
Annex
PCTRO
Nov 27, 2020
Nov 27, 2020
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Nov 26, 2020
Nov 26, 2020
Nov 23, 2020
Nov 13, 2020
(Electronic) Receipt
PCTRO
Nov 13, 2020
Abstract
PCTRO
Nov 13, 2020
Claims
PCTRO
Nov 13, 2020
Description
PCTRO
Nov 13, 2020
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Drawings
PCTRO
Nov 13, 2020